package com.liangsui.cmall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * MyMQConfig
 *
 * @author zhangjiawei
 * @email 1533167396@qq.com
 * @date 2022/8/21 16:06
 */
@Configuration
public class MyMQConfig {

    /**
     * 容器中的Binding、Queue、Exchange都会自动创建
     * 修改属性重启不会自动更新
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000); // 消息过期时间 1分钟

        /**
         * String name,
         * boolean durable,
         * boolean exclusive,
         * boolean autoDelete,
         * @Nullable Map<String, Object> arguments
         */
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        /**
         *   String name,
         *   boolean durable,
         *   boolean autoDelete,
         *   Map<String, Object> arguments
         */
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateBinding() {
        /**
         * String destination,
         * Binding.DestinationType destinationType,
         * String exchange,
         * String routingKey,
         * @Nullable Map<String, Object> arguments
         */
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {

        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 秒杀订单队列
     * @return
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue",
                true, false, false);
    }

    /**
     * 与秒杀订单队列绑定
     * @return
     */
    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
